M35/M45 Exhaust Discussion Thread

Forum for Infiniti M35 and M45, and Nissan Fuga owners.
xxxalpinexxx80
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M35/M45 Exhaust Discussion Thread

Postby xxxalpinexxx80 » Sun Nov 29, 2009 4:00 pm

does anyone have a video or sound clip of their m35 with an aftermarket exhaust


HB13
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Headers and Exhaust (help)

Postby HB13 » Wed Sep 29, 2010 12:42 pm

Hello fellow Infiniti owners,

MY name is Harinder and I just bought a 2006 Infiniti M35X Blk on Blk. I just put in the Injen intake on, HKS Legamx mufflers and the 3 stage Bullydog chip. I am waiting to find out the best exhaust to complete my set up. Headers back. I want to put on high flow cats and take out the resonators. Which set up would match best with my mufflers? I want 2.5 inch all the way back to my mufflers which are 2.5". Your input would be very helpful. Thank you all for your knowledge and experience to help me Mod out my newest toy. Domestic muscle is so much easier to do, but I love this car.

HB13

EniGmA1987
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Re: Headers and Exhaust (help)

Postby EniGmA1987 » Wed Sep 29, 2010 11:52 pm

I have never heard of this "Bullydog" before. I looked it up a bit and I dont see anything for the engine that the Ms have. Also, why the heck would you get some chip when you can get a real tune specific to your car?

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Re: does anyone have a video or sound clip of their m35 with

Postby CPJ LB » Thu Sep 30, 2010 6:57 am

I am also planning to upgrade my exhaust....to me, this is the best sound that i found of an M

....i keep playing it over and over and over.... :biggrin:

http://www.youtube.com/watch?v=pGaEncKMyw4

06M4.5
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Re: does anyone have a video or sound clip of their m35 with

Postby 06M4.5 » Thu Sep 30, 2010 7:30 am

I'm trying to find the Megan axle back exhaust for my m45, I don't want it loud.

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Re: Headers and Exhaust (help)

Postby HB13 » Thu Sep 30, 2010 10:09 am

Thanks for the input. Actually BullDOg is a tuner and is well renowned in Canada. I have used it for my Diesel trucks and my Tahoe and is quite effective. Bulldog just made a programmer and 'upload for the M series. I have a friend who works for them so had access to the tuner before it hit the market. I actually have never heard of UpRev but will also look into their diagostic tests. Bullydog states according to their specs 25-35 hp increase at the flywheel depending on fuel octane. I looked nto Megan but their welds are weak and thier product looks cheap so I avoided it. I will order the Magnaflow cats and take it to my exhaust guy to custom build from the headers back. I am looking for headers though. Any ideas? Your input would be appreciated. Thanks

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Re: Headers and Exhaust (help)

Postby rgb129 » Thu Sep 30, 2010 10:33 am

G35 headers will fit them M35. There is a lot of room for headers...more so than the G. I plan on headers, but not until I by the UpRev tuner. I am a little worried at the potential loss in torque from headers, especially without a tune.

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Re: Headers and Exhaust (help)

Postby rgb129 » Thu Sep 30, 2010 1:16 pm

infiniti_lineup wrote:
rgb129 wrote:G35 headers will fit them M35. There is a lot of room for headers...more so than the G. I plan on headers, but not until I by the UpRev tuner. I am a little worried at the potential loss in torque from headers, especially without a tune.
You're full of great knowledge. Thank you! :)

No, no, no, thank you for all your help. It really is nice to see techs sharing information. My knowledge is usually the result of learning the hard way! :crazy:

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cjrdriven
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Re: Headers and Exhaust (help)

Postby cjrdriven » Thu Sep 30, 2010 1:40 pm



No, no, no, thank you for all your help. It really is nice to see techs sharing information. My knowledge is usually the result of learning the hard way! :crazy:
Thats not bad at all! My knowledge is usually from others learning the hard way.... :facepalm: ;)

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Re: Headers and Exhaust (help)

Postby HB13 » Thu Sep 30, 2010 1:48 pm

The tuner will be available by next week. Its awesome. It monitors everything in your car from fuel economy to rpm to quarter mile and is a self adjusting tuner which continually adjusts your ecu to run most efficiently and perdormance according to your 3 settings. I love it. I will post the part number today.

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Re: Headers and Exhaust (help)

Postby HB13 » Thu Sep 30, 2010 1:59 pm

Any advice on brand of headers? Something already tried and tested

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Re: Headers and Exhaust (help)

Postby HB13 » Thu Sep 30, 2010 4:40 pm

I just looked into the UpRev system after speaking to a couple of mechanics and they think that it is a great set up. The only downfall being that it has to be retuned every time you make a mod by the installer. The beauty of the BullyDog system is that it self tunes according to your cars mods or how it is running. It has a full LCD screen that monitors all your cars 'performance' aspects. Its user friendly and effective. My car snaps you back in the seat without lag when its WOT, its awesome. I raced a G37(stock) and I walked all over him from start to finish. We went to the highway and dropped it at 60km/h and I beat him easily. So thats my 2 cents:)

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mexillis
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Re: Headers and Exhaust (help)

Postby mexillis » Thu Sep 30, 2010 5:55 pm

Post some clips and or pics of this thing, sounds cool.

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Re: Headers and Exhaust (help)

Postby HB13 » Thu Sep 30, 2010 9:36 pm

Sweet Thanks. I did some digging around and DC makes headers for The M and so do Strup. The Strup ones seem to have a better design than DC. I will look into Borla. My tuner is a Bully Dog gauge Gt tuner featuring DRIVING COACH technology. This thing does everything. Check it out on www.bullydog.com It says its coming soon, and trust me real soon.

These are the prices I got:

- The K-Sport suspension for $1262.50 + HST(sales tax of 12%) installed. The Espilir doesn't work for my car so this is what I was advised to now do instead. Anyone heard of it? It includes adjustable shocks and coils.
- I was told that the only mid pipe available for my car is by Megan Racing. The price is $440. Myth or fact?
- DC headers G35 - $685
- Strup headers G35 (better design than DC) - $705
- Megan Racing Y-pipe G35 (cheap and if we need to mod, it won't hurt as much) - $190
- HKS Y-pipe G35 (4-6 weeks out of Japan) - $792


Any opinions ideas or thoughts would be greatly appreciated.

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Re: Headers and Exhaust (help)

Postby HB13 » Thu Sep 30, 2010 10:17 pm

Oh yeah the part number for the Bully Dog tuner is 40410 and there is a demo on the site

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Re: Headers and Exhaust (help)

Postby rgb129 » Fri Oct 01, 2010 6:11 am

HB13 wrote: These are the prices I got:

- The K-Sport suspension for $1262.50 + HST(sales tax of 12%) installed. The Espilir doesn't work for my car so this is what I was advised to now do instead. Anyone heard of it? It includes adjustable shocks and coils.
Any opinions ideas or thoughts would be greatly appreciated.
The Espilir springs are designed for the AWD suspension. i.e. they will work on your car. The drop will be the least dramatic of all of the lowering springs out there, but they are the ONLY ones specifically designed for the AWD. People have used some of the other brands on the AWD model with success though.

The K Sport coilover kit for the AWD was developed on my car. You can lower your car anywhere between 1.5 inches to ~4 inches. The ride is noticeably stiffer, but I have them set at 25 front 20 rear. 0 is the softest and 35 being the stiffest. With them set a 0 and 0, the ride is smooth and cornering is great, but at high speeds 100+ it is sketchy. At 25/20, it is what I deem a perfect balance.

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Re: Headers and Exhaust (help)

Postby rgb129 » Fri Oct 01, 2010 6:19 am

HB13 wrote:Oh yeah the part number for the Bully Dog tuner is 40410 and there is a demo on the site

I would love to see a before and after dyno. This seems really interesting, but all of the self adjusting ECU mods are piggyback systems. I am a little hesitant, but would hop on one if they in fact work and the actual gains documented. Please post any further info you have. I probably will give them a call to talk to them as well. This could be an interesting alternative to UpRev.

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Re: Headers and Exhaust (help)

Postby rgb129 » Fri Oct 01, 2010 6:50 am

HB13 wrote:Oh yeah the part number for the Bully Dog tuner is 40410 and there is a demo on the site

There is a thread in a G forum that used a Power Pup from this company and posted the dyno charts of stock vs. Power Pup. The result was was a loss of peak HP and no gains throughout the RPM band. The consensus on that thread was the UpRev was the best bang for the buck. Without proper dyno testing, I will remain skeptical about this product. I may call them and see if they will cover the dyno charge and return shipping if someone where to buy this and come no where their advertised gains of 10HP/20ft-lbs.

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Re: Headers and Exhaust (help)

Postby cruzad3r » Fri Oct 01, 2010 8:22 am

people who's saying DC header is crappier than Strup, is there any specific area or reasons that make you guys claim such fact?

who here has DC header or Strup header on their car?

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Re: Headers and Exhaust (help)

Postby HB13 » Fri Oct 01, 2010 1:06 pm

From what I have heard and seen the DC ceramic headers rust over time but the stainless are good. Its personal preference and what you believe is a better design. Every competitor will tell you there's is better.

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Re: Headers and Exhaust (help)

Postby rgb129 » Fri Oct 01, 2010 2:27 pm

I read the 64 page altima one where there also was a loss in power per the dyno numbers as well in the G35 forum post. Until I see proper testing done with the Bully Dog, I will remain extremely skeptical. They seem to work well in the truck world after doing a little digging, but there are not any dyno's that I could find proving a power gain on the VQ. I am sure there is a reason for that and probably has to do with the fact that the dynos from both the VQ altima and G35 have dyno's where power was lost. My interest in the Bully Dog is more of skepticism than anything else.

As we all KNOW from the many posts that the UpRev does wonders with the VQ (and now the VK as well) as you stated.

What I am saying is that there is no "tossup" between the two at the moment. UpRev has been proven many times over and the Bully Dog had two dyno's showing a loss in power and none showing a gain. There is a long way to go before the Bully Dog product can be called a tossup next to UpRev.

That is my .02 on the matter ;)

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Re: does anyone have a video or sound clip of their m35 with

Postby mexillis » Fri Oct 01, 2010 3:38 pm

^ the M45, M35 set up is the same.

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Re: does anyone have a video or sound clip of their m35 with

Postby 06M4.5 » Fri Oct 01, 2010 4:34 pm

so far no one has it in-stock.

best price i have seen is $290 shipped

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Re: does anyone have a video or sound clip of their m35 with

Postby mexillis » Fri Oct 01, 2010 4:37 pm

i think on fresh alloy some one is selling their stillen for cheap, maybe that will work for you?

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Re: does anyone have a video or sound clip of their m35 with

Postby 06M4.5 » Fri Oct 01, 2010 4:45 pm

thanks but I think I would like the Megan because most say it's not loud.

also I like the dual tips better.

I have searched for the Megan new or used and haven't found one yet.

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Re: does anyone have a video or sound clip of their m35 with

Postby 06M4.5 » Fri Oct 01, 2010 8:10 pm

thanks for the link

I just sent an "ask seller question"

i wanted to know if they have it instock

price is also a little high.

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Re: does anyone have a video or sound clip of their m35 with

Postby 06M4.5 » Fri Oct 01, 2010 8:24 pm

/
this is the best price i have found but not in-stock.

http://www.jdmhub.com/index.php?route=p ... _id=178692

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Re: does anyone have a video or sound clip of their m35 with

Postby Ilya » Fri Oct 01, 2010 9:25 pm

So Megan is the quietest of the after market exhausts? I want as much of an OEM sound level as possible but obviously with the added performance benefit of opening up the exhaust. Is Megan the way to go?

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Re: does anyone have a video or sound clip of their m35 with

Postby 06M4.5 » Fri Oct 01, 2010 9:31 pm

from all the searching & reading i have done the Megan Racing axle back exhuast is the quietest of all.

if you need a little more then you can order the Megan Racing mid-pipe to add to the axle back system.

do a search on youtube.

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Re: does anyone have a video or sound clip of their m35 with

Postby Ilya » Fri Oct 01, 2010 9:41 pm

I want it as quiet as possible.

Will do the youtube search. I like the stillen sound above, how it's kind of muffled, but it's probably loud inside.

EDIT: These videos do it for me:

Slow Takeoff - http://www.youtube.com/watch?v=WikGbToXyYo
Revving - http://www.youtube.com/watch?v=z2wo-w4C76w
35mph drive by - http://www.youtube.com/watch?v=hUcF0apfIYM
WOT - http://www.youtube.com/watch?v=BhDbp_oyfjY


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